ORawBuffer buffer;
objectsRead = 0;
int clusterId = db.getClusterIdByName(CLUSTER_NAME);
final ORecordId rid = new ORecordId(clusterId);
for (int i = 0; i < db.countClusterElements(CLUSTER_NAME); ++i) {
rid.clusterPosition = i;
buffer = db.read(rid, null);
if (buffer != null)